docs: def from_text(text):
          """Strip `text` (unicode/str) from all non-digit chars and return a new
          Phone object with the number from text.
          
          >>> phone = Phone.from_text('(888) 777-666')
          >>> phone.number
          888777666
          
          """
          number = int(filter(unicode.isdigit, unicode(text)))
          return Phone(number=number)